20007768505

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{294167}}^1$

素因数の和:294456

約数の個数: 16

約数和(自身を含む): 24512431104

約数和(自身を除く): 4504662599

約数列:

[1, 5, 61, 223, 305, 1115, 13603, 68015, 294167, 1470835, 17944187, 65599241, 89720935, 327996205, 4001553701, 20007768505]

約数ペア:

[(1, 20007768505), (5, 4001553701), (61, 327996205), (223, 89720935), (305, 65599241), (1115, 17944187), (13603, 1470835), (68015, 294167)]